Railroad-spike.



M. c. ROBERTS & H. J. clmum.

RAILROAD SPIKE.

APPLICATION mu) JANJ). I9 5.

l lfififigfio Palented Oct. 26, 1915.

MARVIN c. noBER'rs Ann To all whom it may concern:

Be it known that we, MARVIN C. ROBERTS and HUBERT J. CULLUM, citizens of the United States, residing at Franklin, in the county of Morgan and State of Illinois, have invented certain new and useful Improvepikes; and we do hereby g to be a full, clear, and f the invention, such as killed in the art to which it appertains to make and use the same.

This invention relates to new and useful improvements in railroad spikes and has for its principal object to provide a spike which Wlll efl'ectively hold railroad rails in place and which will prevent the rails from spreading, shrinkin Another ob vide a spike into the tie venting the spike from permitting the rail to sli A further ob vide a locking drawn should it With these and other objects in view, the invention consists in the novel combination d arrangement of parts which will be y set forth in the following specification anying drawing, in which is a side view in elevation of a spike constructed in accordance with this invention showing the lock vertical sectional view of detail View in elevation of d is a sectional view take Fig. 1, and looking inthe direction of the ments in Railroad-S declare the followin exact description 0 will enable others s g or creeping.

ject of the invention is to prowhich after having been driven can be locked therein, thus preworking loose and ject of the invention is to prospike which may be withbe so desired.

and accomp in place, Fig. 2 is a Fig. 1, Fig. 3 is a the lock, and Fig. 11 on line 44 of Referring. now to the drawing, acters of reference, as an entirety a spi ance with this inven body 2 having form head 3. This body is end with the driven into Formed centrall lar passage into the spike an mumcates at 7 with point 8-with an op The upper end preferably provided wi upwardly inclined wall 9 W111 appear asthe descrip HUBER'I J. CULLUM, 0F FRANKLIN, ILLINOIS;

RAILROAD-SPIKE.

. Specification of Letters Patent. Patmmtmd @gfl 26, 1%]15 l Application filed January 25, 1915. Serial No. 4,301..

The spike lock designated generally by the numeral 10 comprises the body 11, having formedat one end the point 12 and at the opposite end the frusto pyramidical head 13, the faces of this head are inclined to conform to the inclination of the wall 9, as clearly shown in Figs. 1 and 2. Formed centrally of the upper face of the head 13 is the rectangular shank'lt, having formed at its free end the head 15. The whole lock 10 is formed of a relatively ductile metal which will easily bend as clearly illustrated in Figs. 1 and I j It will be apparent from the foregoing that in use the spike 1 is first set and driven into the tie in the usual manner. The lock 10 is then set so that the pointed end 12 extends into the passage 5 and will pass there- I through until the side walls thereof engage the arcuate'portion 6 at the point 7. The user then strikes the look upon the head 15 thereby driving the same downwardly so that the sides of the body 11 engage the arcuate passage thus causing the body to bend and upon continuing the driving operation, it will be apparent that the end of the lock 10 will pass through the rectangular opening at the side of the sp'ke and thence be driven into the wood of the tie thereby locking the spike firmly in place and eliminating the danger of accidental removal. The lock 10 is driven downwardly until the inclined faces of the frusto pyramidical head engage the outwardly inclined faces-9 thus forming a stop which will be water-proof, thereby preventing the lock from rusting in the passage. Should it be desired to place a new tie in the track, the lock may be withdrawn by placing a suitable pulling tool in position to operate upon the head 15 thereof and thus pulling upwardly thereon and raising the lock from its position in the spike. After the lock has been withdrawn it is apparent that the spike may be withdrawn in the ordinary manner and a new tie placed in Bosition.

While in the foregoing there has been shown and described the preferred embodiment of this invention, it is to be understood that such changes may be made in the combination' and arrangement of parts as will fall within the spirit and scope of the invention as defined'in the appended claim. What is claimed is A locking spike including a spike body having a central axial passage formed thereg 1,15e,2es

in, the upper end of the passage being enlarged to form a countersink, the-body being provided With an arcuate passage and an aperture, said arcuate passage connecting the 5 aperture with the axial passage, a lock arranged to be driven into the axial and arcuate passages and out through the aperture, a frusto pyramidical head formed on the lock arranged to engage the inclined 1 faces of the upper end of the passage to form a Water tight joint between the lock and the spike and prevent the look from rusting in the spike, a shank formed on the frusto pyramidical head and a head on the shank.

In testimony whereof We afiix our signatures in presence of two Witnesses.

MARVIN G. ROBERTS. HUBERT J. CULLUM. Witnesses:

F. J. TRAVERS, GEO. S. HART. 

